2018 Mechanical Chapter 12

Piping for hydronic systems shall be sized for the _ of the system.

• pressure
• temperature
• rating
• demand
• 1201.2

The exterior of hydronic pipe shall be protected from _ .

• impact and damage
• rust and scale
• corrosion and degradation
• moisture and rust
• 1202.4

Valves used in a hydronic piping system shall be rated for the _of the system in which the valves are installed.

• type of fluids
• temperatures and pressures
• low-pressure rating
• high-pressure rating
• 1202.6

Joints and connections shall be tight for the _ of the hydronic system.

• pressure
• rating
• temperature
• demand
• 1203.1

In the preparation of pipe ends of hydronic piping, the ends shall not be_.

• reamed
• undercut
• chamfered
• full-bore openings
• 1203.2

Where thread lubricant is applied to the threaded joints of hydronic piping, it shall be applied to _.

• only the male threads
• only the female threads
• both the male and female threads
• neither the male or female threads
• 1203.3.5

During installation, extracted outlets shall have a minimum height of _ times the thickness of the branch tube wall.

• 2
• 3
• 4
• 5
• 1203.3.8

Mech. joints in hydronic piping shall be installed per the _.

• applicable referenced standards
• International Plumbing Code
• approved plans and specifications
• manufacturer’s instructions
• 1203.9.2

Soldering on the metal portion of a PEX tubing system shall be performed a minimum of _ " from any plastic-to-metal adapter in the same water line.

• 4
• 6
• 12
• 18
• 1203.9.2

In commercial buildings, pipe insulation for hydronic piping shall have a maximum. smoke-developed rating of _.

• 35
• 50
• 75
• 450
• 1204.1